DYK JUL 2017 - pain

Pain

24 July, 2017

Emotional pain lasts for 12 minutes. Everything else is self-suggestion

DYK JUL 2017 - circus

Animals in circus

22 July, 2017

In the Netherlands, the ban on the use of wild animals in the circus came into force

DYK-MAI-2017-roller

Roller Coaster

21 July, 2017

The world's first roller coaster opened in 1884 at Coney Island New York

DYK-MAI-2017-concorde

Supersonic Concorde

20 July, 2017

The supersonic Concorde jet made its first trial flight on January 1st 1969